GAI-Tronics 10959-903 Manual - Page 12

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Models 10959-903 and 10959-904 Wall-Mount Audio Messenger Interface

Level Adjustments

Display Brightness

Adjust potentiometer R237, on the main PCBA, to change the brightness of the LCD display on the front

of the assembly.

Telephone Line Levels

Two potentiometers on the optional telephone interface PCBA adjust the telephone audio levels:



Volume level from telephone line—Adjust the receiver volume potentiometer, R36.



Volume to telephone line—Adjust the transmit volume potentiometer, R1.

Party Line Levels (Model 10959-904 Only)

Two potentiometers on the Page/Party



Volume level to party line—Adjust the party volume potentiometer, R66.



Sidetone level from party line—Adjust the party sidetone potentiometer, R30.

Page Line Levels (Model 10959-904 Only)

Two potentiometers on the Page/Party



Volume level to the page line—Adjust the page volume potentiometer, R39.



Page line audio monitor level—Adjust the page monitor potentiometer, R69.

Date and Time Set Up

Date Set Up

Use the push buttons located on the top edge of the main PCBA to set the date (see Figure 4 for the

locations of the push buttons). Complete the following procedure to set the date:

>, PB4, to enter the menu system.

1. Press <

ENTER

>, PB3, to scroll to the DATE: display.

2. Press <

SELECT

3. Press <

>, PB4, to enter the DATE set up.

ENTER

4. Press <

>, PB4, to confirm choice.

ENTER

>, PB1 or <

5. Press <

>, PB3, to scroll to the month.

6. Press <

SELECT

>, PB1 or <

7. Press <

>, PB3, to scroll to the year.

8. Press <

SELECT

>, PB1 or <

9. Press <

10. Press <

>, PB4, to accept the DATE setting.

ENTER

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Interface PCBA adjust the party line audio levels:

Interface PCBA adjust the page line audio levels:

>, PB2 to select the desired day.

DOWN

>, PB2 to select the desired month.

DOWN

>, PB2 to select the desired year.

DOWN

Pub. 42004-442D

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